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EN 1092-1 PN-400 Flanges

DIN EN 1092-1 PN-400 Flanges
 

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Types of flanges (typ) up to DIN EN 1092-1
 
Typ 01: Plate (slip-on) flanges for welding Typ 13: Hubbed threaded flanges
Typ 02: Loose plate flanges with weld-on plate collar Typ 21: Integral flanges
Typ 04: Loose plate flanges with weld-neck collar Typ 32: Weld-on plate collars
Typ 05: Blank (blind) flanges Typ 33: Lapped pipe ends
Typ 11: Weld-neck flanges Typ 34: Weld-neck collars
Typ 12: Hubbed slip-on flanges for welding  
 
D: Outside Diameter
K: Diameter of Bolt Circle
L: Diameter of Bolt Hole
  A: Outside Diameter of Neck
E: Chamfer
F: Collar thickness
  G max: Diameter of Shoulders
R: Corner Radius
N: Neck Diameter
S: Neck Thickness (Preferred value)
DN Mating dimensions A Flange Thickness Length Neck 
Diameters
R1 S
D K L Bolting
No Size C2 C3 H2 H3 N1 N3
Flange type
11, 21 11
21*
11 21 11 11 11 21 11 21 11
10 125 85 18 4 M16 17.2 28 28 65 8 48 48 4 4 3.6
15 145 100 22 4 M20 26.9 30 30 68 8 56 57 4 4 5.0
25 180 130 26 4 M24 42.4 38 38 90 10 82 81 4 5 7.1
40 220 165 30 4 M27 60.3 48 48 110 12 106 105 6 5 10.0
50 235 180 30 8 M27 76.1 52 52 120 15 120 120 6 6 12.5
65 290 225 33 8 M30 101.6 64 64 135 18 158 158 6 6 16.0
80 305 240 33 8 M30 114.3 68 68 150 20 174 174 8 8 17.5
100 370 295 39 8 M36 139.7 80 80 175 25 216 216 8 8 22.2
125 415 340 39 12 M36 193.7 92 92 200 30 258 259 8 10 30.0
150 475 390 42 12 M39 219.1 105 105 225 35 302 302 10 10 35.0
200 585 490 48 16 M45 273.0 130 130 280 40 388 388 10 10 40.0

* For flanges type 21 the outside hub diameter approximately corresponds to the outside pipe diameter.

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